\n\nBACKGROUND CMR-LGE is a well-established tool for the assessment of scar in ischemic heart disease. Its role in HCM has evolved in recent years, and an association with nonsustained ventricular tachycardia has been demonstrated.\n\nMETHODS HCM patients who underwent septal myectomy during the period 2004 through 2010 and had undergone

CMR-LGE no more than 6 months before surgery were selected. Histopathological assessment of the myectomy specimens included quantitative digital analysis (interstitial and PP2 nmr replacement fibrosis) and semiquantitative assessment (small intramural coronary arteriole dysplasia and disarray). Correlations between CMR-LGE measured with various techniques, SD above the signal

intensity for the normal remote myocardium (2, 4, 5, 6, and 10 SD) and the full width at half maximum (FWHM) technique, at the myectomy site, and interstitial fibrosis, replacement fibrosis (scar), and their sum (fibrosis + scar) were evaluated.\n\nRESULTS Twenty-nine patients were included. Statistically GSK3326595 purchase significant correlations between CMR-LGE (at 2, 4, 5, 6, 10 SD and by the FWHM technique), and both interstitial fibrosis and the combined interstitial and replacement fibrosis were found. The strongest correlation was between combined interstitial and replacement fibrosis and CMR-LGE measured at 5 SD (r = 0.78, p < 0.0001). LGE measured at 10 SD demonstrated the best correlation with replacement fibrosis (r = 0.42, p = 0.02). Bland-Altman analysis revealed optimum agreement between the combined interstitial and replacement fibrosis found at pathology

and LGE measured at 4 SD. In addition, moderate and severe small intramural coronary artery dysplasia showed a statistically significant correlation with replacement fibrosis (p = 0.01) and CMR-LGE at 10 SD (p = 0.04).\n\nCONCLUSIONS CMR-LGE measured at 4 SD and 5 SD yields the closest approximation to the extent of total fibrosis measured by the histopathological standard of reference. These findings have implications for future investigations of CMR-LGE and its Selleck Adavosertib association with important clinical endpoints in HCM, including sudden cardiac death. (J Am Coll Cardiol Img 2013;6:587-96) (C) 2013 by the American College of Cardiology Foundation”
“Eleven Salmonella Choleraesuis and seven Salmonella Hadar strains isolated from various clinical human samples were investigated by plasmid profile analysis, enterobacterial repetitive intergenic consensus-polymerase chain reaction (EFIC-PCR) and pulsed-field gel electrophoresis (PFGE) in order to obtain information at a molecular level on the epidemiology of S. Choleraesuis and S. Hadar, which are significantly present in Turkey. Plasmid profile analysis showed that 10 (90.9%) of 11 S.